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Recently, Sinopec Group's Sichuan Vinylon Plant (hereinafter referred to as the Chuanwei Plant) announced that the "3S Special Water Soluble Fiber" (hereinafter referred to as "3S water-soluble fiber") technology developed by SVW for 9 years has been successfully developed. It marks the company's first domestic acquisition of low-temperature water-soluble fiber manufacturing technology with independent intellectual property rights in China. At the same time, it also broke the Japanese’s monopoly of technology and became the second company in the world to have low-temperature water-soluble fiber production technology. Â
What are the properties of 3S water soluble fiber and what are its main uses? Â
He Yun, the chief technical expert of the 3S water-soluble fiber project and the chief expert of the Sichuan-based Weifang plant, said: “The low-temperature water-soluble fiber makes full use of the unique water-soluble properties of PVA fiber, and uses water-soluble PVA fiber mixed with wool and cotton and linen. It can increase yarn strength, should not break the head, improve the spinnability, weavability, and then dissolve and remove PVA, you can get fluffy and soft.Light and thin breathable fabrics can be used as high-grade suiting fabrics.You can also weave on the fabric The beautiful and varied pattern has a strong sense of three-dimensionality. The resulting flawless towels and underwear are soft and comfortable to touch." Â
SVA has now developed water-soluble fibers at 20°C, 40°C and 60°C. The lower the temperature, the more difficult it is to make and the higher the price. It can be used for spinning, non-woven fabrics and papermaking. At present, 3S water-soluble fiber has been sold for about 1,000 tons, and it currently has seven users. Foreign famous suit brands around the world have adopted this fiber to make suits and have been favored by buyers. Consumers can use the three elements of fabric, lining code and laundering to identify whether the fiber is made by trial. Â
Xu Zhengning, director of the Sichuan-Weifang plant, said that with the rapid development of the national economy, people have become increasingly demanding on the quality of clothes. 3S water-soluble fiber is mainly used for the production of high-grade clothing, so that people wear more beautiful and comfortable. 3S water-soluble fiber will promote the development of textile industry in Chongqing to a new level. Â
The birth of this scientific research has brought together the efforts of two generations of Chuanwei people. He Yun made a metaphor: "If the high-temperature water-soluble PVA fiber is the base of the pyramid, low-temperature water-soluble PVA fiber is the spire of the pyramid." Reflecting the difficulty of the development of low-temperature water-soluble fiber technology, 150 R & D personnel began to delve into it. Study hard. Since the launch of the project in 1999, it has experienced countless failures and innovations. In the end, the team members overcome difficulties, overcome difficulties, and achieved final victory with perseverance, patience, and confidence. Â
After 3S water-soluble fiber was put on the market, the Sichuan-Weifang plant continued to conduct experiments to gradually improve the 3S fiber's indicators, and plans to build 1500 tons of production lines at the end of this year.
Ningbo Liyuan Garment , https://www.liyuangarment.com